COMM 3700 notes 3 - COMM 3700: Study Questions The...

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COMM 3700: Study Questions The definitions of and distinction between the theoretical (or target) population and the accessible population Theoretical- everyone you’re interested in studying; sometimes and sometimes not accessible Accessible- population you have access to and are representative of the population at large The definitions of and distinction between a population and a sample: The term "population" is used to represent all possible measurements or outcomes that are of interest to us in a particular study." The term "sample" refers to a portion of the population that is representative of the population from which it was selected." The definition of a sampling frame and why it is relevant to research sampling frame: the list or quasi-list of units composing a population from which a sample is selected. if the sample is to be representative of the population, it’s essential that the sampling frame include all (or nearly all) members of the population. The definition of external validity One of four criteria by which the trustworthiness of quantitative research is evaluated. Refers to the extent to which conclusions are drawn from a study are generalized to the “real” world. he definition of sampling error and why it is important In probability sampling, a sampling error is a number that refers to how much the characteristics of a sample probably differ from the characteristics of the population as a whole
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This note was uploaded on 10/05/2011 for the course SPCM 3700 taught by Professor Samp during the Fall '08 term at University of Georgia Athens.

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COMM 3700 notes 3 - COMM 3700: Study Questions The...

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